Home / 86,920,128,026.60-130,380,192,039.90-83,491,695,847.40

Finding the Fourth Proportional to 86,920,128,026.60, 130,380,192,039.90 and 83,491,695,847.40

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Solution

The fourth proportional to 86,920,128,026.60, 130,380,192,039.90 and 83,491,695,847.40 is: 125,237,543,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,026.60 : 130,380,192,039.90 = 83,491,695,847.40 : x
  2. Step 2: Convert to fraction form
    86,920,128,026.60/130,380,192,039.90 = 83,491,695,847.40/x
  3. Step 3: Cross multiply
    86,920,128,026.60x = 130,380,192,039.90 × 83,491,695,847.40
  4. Step 4: Simplify right side
    86,920,128,026.60x = 10,885,663,338,320,931,848,192
  5. Step 5: Solve for x
    x = 10,885,663,338,320,931,848,192/86,920,128,026.60
  6. Step 6: Final answer
    x = 125,237,543,771.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.